Electrical vaporizer.



BEST AVAILABLE COP.

1. H. LEPPER. v ELECTRICAL VAPORIZER.

APPLICATION FILED JUNE 27,1916.

Patgnted Apr. 10, 1917.

uummugmuu 132 III able others lslti lledlin the art .to' which it BESTAVAILABLE cop;

JOHN HENRY LEPPER,

To all may concern:

Be it.-ku o\\-n,thatl,- Jon's llrscm' 'LEP- ran, a citizen ofth'ellnited States; residing at Mason my, in ll-.2 count of ('erro Uordo newand -i iscful Improvements in l'lleetrieal Vaporizers; and l do lierebdeclare. the following to bt'ralfull, clear and .exaetdcscriptimfi'ofjthd, ini'ention, such as will euappeiztarns to make anduse the sanie.

Thisinyeirion relates to an electrimi'l raforms-e in'icoun ection withiintohhhile 'en-.

Onegoflthe-ob ects,of this nventionis the prpmg onof a;vapor zing deviceadapted to-bes -nniulnted :inJhe'wall or thefintalcemanifold oftheengine for elliricntly rap orizing the explosire mixture "in itspassage a$beslo i ishe through lhelinlalce. inani fold. Y

r\nother ;t iluectmt"this invention isthe pror 1on elf-a r-iporizerharlng'the oints between its-parts. thoroughly sealed with ect'ofthisinre'ntion is the prorisionL-olfan' eleetriea'l 'a'pori'la'rconsisting'olf. .few' pa'r .s'and which can he manufaetureillanjd gildnpon the market. at a invention is non.

lfigure l isiafsidegelevation ol' the intake iu-ani fold" ol" aninternal rt'unbustiou' engine, lliereol' being shown'aslu'oken away,

l tertieal longitudinal sectional \'ie. iv tli roughi the \"apo'rize|and a portion of this iidjaiaent.'wiill"of; the'leg o-f the inke., u anifol d.'f l I lug to ll drawings; 'herein' simila c 'lre [er-eurocharacli-rs denote -"eoerespondthroughout the several \"iews l denotesthe. intake manil'old of aninternal combustion engintfaudgzl :the'leg'olthe inhplhiluu'hjil'dhllmhliug to the em'bureler. the; leg 2 havingl'oriued In a wall thereof v the, interna Iysrrrwtlu'eaded opening 3.

Within the si-rrwlbreaded opening: 3 ol' 'f' thelegfol' the intakemanifold l is mounted Specification of Letters Patent. Application filedJune 27,

. ieif im' ei'ition in applied operative 0E MASON CITY, IOWA.

ELECTRICAL VAPORIZER.

Patented Apr. 10, 1917. 1916. Serial Ito. 106.178.

plug 5. formed with the mrntrally ti posed exterior annular shoulder tand being pro- \ided at, its outer end with the head i' of hexagonalshape adapted to receive a suit- "able wrench for inserting or nunoringthe plug I with respect to the srrewl'hrezuled opening 3 of the intakemanifold. Within the plug 5 is formed the enlarged bore 8 extending forthe greater portion of the distance theret hrough and communicating"with the smaller bore tlextendiug the re-' niaiuing distancthrough theplug and v between theenlargul bore. 8 and the. smaller bore 9 isloruu-d the shoulder 10, theginuer portion of the enlarged bore 8,however,

being provided with the internally threaded portion ll adjacent. itsouter end.

Projecting through tlieplng 5 is the inner portionof the insulating corel2, formed of porcelain. mica. or other suitable iusulating material.and having its outer por- 'tion uo'eetin outwardlv bevond the outer Pend of theplug The. insulating'eore'l2 is provided with the reduredinner end 13. between which and. the main body portion of the.insulating core- 12 is formed the enhtl'gttl annular head 14; and formedlongitudinally through the reduced end 13 of the insulating core 1*. andprojecting for a. distaneeiuto the head 14 is the enlarged bore 15, andextending from the bore 15.

alul 'conuuuuieatin}:- therewith to the outer enelof. th lu'xly portionof the eon-"l2 is the smaller bore l6, 1:! has a portion of its mainbody portion :ufulits head 11 positioned within the enlarged bore. 3 ofthe plug 5 with theperipher) of the. head H. contacting with the. in-.her siuooth wall-'of the enlarged bore 8 of the plug 5, whil the.reduced inner end 13 -of the insulating riu'e 12 is snugly seated withinthe smaller bore 9 of the, plug the inner end of the r (lured-end l l'ofthe in- -suiat. in g. core. 12 and the inner-end of the :iln 5u'elerablv lvin tlnsh with each other. or in other words in'the sameplane.

For securely mounting the insulating core l2 in operative positionwithin the phw the. exteriorly threaded locking ring-l4 is provided andhas fornualul'mn its outer end tho head it!" preferably hexagonal andadapted try-receive any suitable lorln of wr'enrh for screwing thelorltiug'ring 'li' within the threaded poilimi'llol' the plug 5. The.lurking ring IT surrounds and snugly 'lhe insulating core 'tlu?extol-null sort-wtbreaded end or the elnluwn-estheoutcrsurl'acesoft-heniain b d y Y of the head 14 against the shoulder 10 with in theplug 5.

posed between the shoulder 6 of, the plug and the adjacent wall .of theleg 2 of the There is, however, interintake manifold, the rear shoulderof the head 14: and the shoulder 10 within the plug 5, and between theinner end of the locking 'ring 17 and the front shoulder upon the head14 the gaskets or packing-rings 19,20

and 21 respectively to providetight joints.= I

therebctween.

Projecting through the'insiilating lcore i a distance beyond each; endthereof is the metal core,2 2, provided:

and extending for substantially centrally therebffwith the an nular 1enlargement 23 which is"positione'd withifi the larger bore 15 ofthe-c0ref 12 andwhich seats against the shp ulder 24 formed between theenlarged bore 15 and the-smaller bore 16 of the core 12, and .up'on theinner i heating coi end of the metal core-20' which projects through thebore 15 ofthe-core 12 andfor. a distance 'within the 1eg'2 of the intakemanifold, is formcdthe head25 provided in one side with the socket 26 inwhich is seated the end 27 of the heating coil ,28 which surrounds thatportion of the metal core 22' between the head 25 and the inner. end ofthe plug 5; and formed within the'face 0f the inner endof the plugisithe socket 29 inwhichis s" ated the opposi e end 300i the 28. Themeta core 22 is; re vided with upon which is threaded .tht cap,32'j-wbich largement 23,

5 2410f the core ring 33, and there is also interposed between ing myinvention? may beapphed to the oil also-embracesthe outer end f theinsulating core-12', and interposed between the (am of the -core 22andthe shoulder 12 is the gasket or packing the'cap 32 and the outer end ofthe insulate I mounted within and core 12 and also 28 in operative OS!vaporizing ing core 12 another gasket or packing ring 5 .34, the.gaskets 33 and 34: prev. ting any leakage through the bore 160i ecore 12,

.and when the cap 32 is screyredfhonieiion the vthreaded end 31ofthe"'metal care :J the enlargement 23 binds againstthe gasket. 32against the gasket -n34'-,.whereby 'f 22 is securely and operatively'33: and cap the'nietal core through the insulatingmaintains the heatingcoil the intake mani oldl' 'Fo'r energizing the heating coil '4 2 8 forso e through the fo cl, the outer end of the metal-core connected withany suitable source of electrical supply, controlled by a suitableswitch,

'the' end of the wire 38.bemg secured to t supply The insulating coremay I suitable and desirable;

.-' formed of any 'tenal I preferably invention s combustion enginestion within the leg 2 of the explosive mixture inits pas-l leg 2 of thentake mam- BEST AVAILABLE'COP by the conducting 'wire 85 secured aroundthe end of the metal core 22 and retained in operative position throughthe medium of the binding screw36 also screwthreaded upon the threadedend 31 of the metal core 22 and binds against the adj acent face of thecap 32.

Preferably the heatingX coil28 is energized by the current-passing trough the conducting wire 35, the metal core 22, the head 25 thereof,and through the heating coil 28 from its end 27 to its end'30, wherebythe circuit is returned'through the inner end 4 of the plug 5 theadjacent .wall

of'the' leg2- ofthe intake manifold and thence returned .'through thelug '37 through the return wire' 38' back to t e source of electricalsupply,

37 by the'binding screw 39,1th

is either threaded into a wall of the" the intake manifold ,orotherwise" secured ii glne framef desired.

beformed of any he 1 h s 37 j eg2 of thereon as;-at 40,.however,- thecurrent may I be conve e'd back to-thesource of electrical oughv anypartoi'the engine on and the metallic parts of the device maybeormetals; an while the ga'skets'or packing rings 19, 20, 21, 33 and '34,which Iemplby,

packing rin of forms an e cient paging ring but :mim- .106 Imizesheatradiation t ough' the device. 1 1

suitable and; desirable metal" gaskets or I desire it to beundcrstoodthat, while my p of the: intake manifold employed theconstruction ofthe internal plied'thr'oughc aw'alli of theimtake manifoproper, orthrougha of a y gine; ahdQfil-rthermbre, the device constitute.weIl "ofa carburetor. for heating the-fluid therein, or the same maybe-used as a heater ;for other purposes than those above set forth andwherever the same is] adaptable.

1' Havmg' described -my .invention,1- what I 7 claim as new-and "desireto-secure by\' Letters l =Patent,is:=;. i o I-\ Avaporizing deviceadaptedito beposi-' tioned an opening in the centralbore whereby itsfree end eats tends beyond, the end of "the plug. anfen lar ed headsupported on one end of the metallic core, aheating coil surrounding themetallic core and supported arily;designed'for,anelec- .trical va onzertobej mounted-throughhaj '.wall of t eleg the screw threaded outer en31' in spaced relasj u i "upon-automobiles, fthe invention" is equallyadaptable tobeafi'i wall ofth. intake pipe otherform ofinternal'.combustion en:

engine, sald vaporizer including a plug 'an" core having one-0f 1ts'ends tending: mto: central bo're,

BESTAVAiLABLE COP tion thei-e\\"ith.'one end of said heating eoil nameto this specification i n the presence of being embedded in the enlargedhead, the two subscribing witnesses.

upposite end of the 0011 being embedded in .r

theend of the plug, whereby the entire sur- JOHA HENRY LEPPER 5 face ofthe heating eoil is exposed to the :it- Witnesses:

mnsphere of the engzme-mamfnld, IRENE T: LEPPER 1n tcSt-im nny whereof Ihave signed my P. A. Benn-53x.

